threat vs worker

threat and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
threat	Yes	No	No	No
worker	Yes	No	No	No

As nouns, worker is a hypernym of threat; that is, worker is a word with a broader meaning than threat:

Other hypernyms of threat include actor, doer.

threat (noun)	worker (noun)
a warning that something unpleasant is imminent	sterile member of a colony of social insects that forages for food and cares for the larvae
declaration of an intention or a determination to inflict harm on another	a person who works at a specific occupation
a person who inspires fear or dread	a member of the working class (not necessarily employed)
something that is a source of danger	a person who acts and gets things done